<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="小节" prop="title">
        <el-input v-model="queryParams.title" placeholder="请输入小节" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
                   v-hasPermi="['edu:video:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate"
                   v-hasPermi="['edu:video:edit']">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete"
                   v-hasPermi="['edu:video:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport"
                   v-hasPermi="['edu:video:export']">导出</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="el-icon-close" size="mini" @click="handleClose">关闭</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="videoList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <!-- <el-table-column label="视频ID" align="center" prop="id" v-if="true"/> -->
      <!-- <el-table-column label="课程" align="center" prop="titleCo" :show-overflow-tooltip="true" />
      <el-table-column label="章节" align="center" prop="titleC" :show-overflow-tooltip="true" /> -->
      <el-table-column label="小节" align="center" prop="title" :show-overflow-tooltip="true" />
      <el-table-column label="视频" align="center" prop="videoSourceId">
        <template slot-scope="scope">
          <video :src="scope.row.url" controls="controls" width="100%" height="80px"></video>
        </template>
      </el-table-column>
      <el-table-column label="视频名称" align="center" prop="videoOriginalName" />
      <el-table-column label="排序字段" align="center" prop="sort" />
      <el-table-column label="是否收费" align="center" prop="isFree">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.edu_video_charge" :value="scope.row.isFree" />
        </template>
      </el-table-column>
      <el-table-column label="状态" align="center" prop="status">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.edu_video_status" :value="scope.row.status" />
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
                     v-hasPermi="['edu:video:edit']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
                     v-hasPermi="['edu:video:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total>0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
                @pagination="getList" />

    <!-- 添加或修改课程视频对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="小节" prop="title">
          <el-input v-model="form.title" placeholder="请输入小节" />
        </el-form-item>
        <el-form-item label="视频">
          <file-upload v-model="form.videoSourceId" />
        </el-form-item>
        <el-form-item label="视频名称" prop="videoOriginalName">
          <el-input v-model="form.videoOriginalName" placeholder="请输入视频名称" />
        </el-form-item>
        <el-form-item label="章节排序" prop="sort">
          <el-input-number v-model="form.sort" :min="0" controls-position="right" />
        </el-form-item>
        <el-form-item label="是否收费">
          <el-radio-group v-model="form.isFree">
            <el-radio v-for="dict in dict.type.edu_video_charge" :key="dict.value" :label="dict.value">{{dict.label}}
            </el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="状态">
          <el-radio-group v-model="form.status">
            <el-radio v-for="dict in dict.type.edu_video_status" :key="dict.value" :label="dict.value">{{dict.label}}
            </el-radio>
          </el-radio-group>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button :loading="buttonLoading" type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listVideo, getVideo, delVideo, addVideo, updateVideo } from "@/api/edu/video";
import { listChapter, getChapter, delChapter, addChapter, updateChapter } from "@/api/edu/chapter";
import { listCourse, getCourse, delCourse, addCourse, updateCourse } from "@/api/edu/course";

export default {
  name: "Video",
  dicts: ['edu_video_status', 'edu_video_charge'],
  data() {
    return {
      // 按钮loading
      buttonLoading: false,
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 课程视频表格数据
      videoList: [],
      //章节名称数据
      chapterList: [],
      // 课程表格数据
      courseList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      open1: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        courseId: undefined,
        chapterId: undefined,
        title: undefined,
      },
      // 表单参数
      form: {

      },
      formy: {

      },
      // 表单校验
      rules: {
        id: [
          { required: true, message: "视频ID不能为空", trigger: "blur" }
        ],
        title: [
          { required: true, message: "小节不能为空", trigger: "blur" }
        ],
        videoSourceId: [
          { required: true, message: "视频不能为空", trigger: "blur" }
        ],
        videoOriginalName: [
          { required: true, message: "视频名称不能为空", trigger: "blur" }
        ],
        sort: [
          { required: true, message: "排序字段不能为空", trigger: "blur" }
        ],
        playCount: [
          { required: true, message: "播放次数不能为空", trigger: "blur" }
        ],
        isFree: [
          { required: true, message: "是否收费不能为空", trigger: "blur" }
        ],
        duration: [
          { required: true, message: "视频时长不能为空", trigger: "blur" }
        ],
        status: [
          { required: true, message: "状态不能为空",  trigger: "blur" }
        ],
        size: [
          { required: true, message: "视频源文件大小不能为空", trigger: "blur" }
        ],
        version: [
          { required: true, message: "版本不能为空", trigger: "blur" }
        ],
      }
    };
  },
  created() {
    const chapterId = this.$route.params && this.$route.params.id;
    this.queryParams.chapterId = chapterId;

    this.getList();
    this.getCourseId();
  },
  methods: {

    getCourseId() {
      const chapterId = this.$route.params && this.$route.params.id;
      getChapter(chapterId).then(res => {
        console.log(res)
        this.form.courseId = res.data.courseId
        this.form.chapterId = res.data.id
      })
    },

    handleClose() {
      this.$router.go(-1)
    },
    //章节
    selectchapterId(value) {
      this.form.chapterId = value
      console.log(value)
    },
    //课程
    selectCourseId(value) {
      this.form.courseId = value
      console.log(value)

    },
    /** 查询课程视频列表 */
    getList() {
      this.loading = true;
      listVideo(this.queryParams).then(response => {
        this.videoList = response.rows;
        this.total = response.total;
        this.loading = false;
        console.log(response);
      });
      listChapter(this.queryParams).then(response => {
        this.chapterList = response.rows;
        console.log(response)
      });
      listCourse(this.queryParams).then(response => {
        this.courseList = response.rows;
        console.log(response)
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: undefined,
        courseId: undefined,
        chapterId: undefined,
        title: undefined,
        videoSourceId: undefined,
        videoOriginalName: undefined,
        sort: undefined,
        playCount: undefined,
        isFree: "0",
        duration: undefined,
        status: "0",
        size: undefined,
        version: undefined,
        createTime: undefined,
        updateTime: undefined,
        createBy: undefined,
        updateBy: undefined,
        delFlag: undefined
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加课程视频";
      const chapterId = this.$route.params && this.$route.params.id;
      this.form.chapterId = chapterId;
      getChapter(chapterId).then(res => {
        this.form.courseId = res.data.courseId
        console.log(res)
      })
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.loading = true;
      this.reset();
      const id = row.id || this.ids
      getVideo(id).then(response => {
        this.loading = false;
        this.form = response.data;
        this.open = true;
        this.title = "修改课程视频";
      });
    },
    /** 提交按钮 */
    submitForm() {


      console.log(this.form)
      this.$refs["form"].validate(valid => {
        if (valid) {
          this.buttonLoading = true;
          if (this.form.id != null) {
            updateVideo(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            }).finally(() => {
              this.buttonLoading = false;
            });
          } else {
            addVideo(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            }).finally(() => {
              this.buttonLoading = false;
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除课程视频编号为"' + ids + '"的数据项？').then(() => {
        this.loading = true;
        return delVideo(ids);
      }).then(() => {
        this.loading = false;
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).finally(() => {
        this.loading = false;
      });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('edu/video/export', {
        ...this.queryParams
      }, `video_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
